arduino-0018-windows
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// Wire Slave Receiver
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// by Nicholas Zambetti <http://www.zambetti.com>
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// Demonstrates use of the Wire library
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// Receives data as an I2C/TWI slave device
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// Refer to the "Wire Master Writer" example for use with this
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// Created 29 March 2006
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#include <Wire.h>
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void setup()
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{
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Wire.begin(4); // join i2c bus with address #4
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Wire.onReceive(receiveEvent); // register event
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Serial.begin(9600); // start serial for output
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}
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void loop()
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{
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delay(100);
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}
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// function that executes whenever data is received from master
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// this function is registered as an event, see setup()
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void receiveEvent(int howMany)
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{
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while(1 < Wire.available()) // loop through all but the last
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{
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char c = Wire.receive(); // receive byte as a character
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Serial.print(c); // print the character
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}
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int x = Wire.receive(); // receive byte as an integer
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Serial.println(x); // print the integer
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}
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